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Parafilm PM-996 Multipurpose Laboratory Film
Price :
৳3000
৳3200
Estimated Shipping Time: 5 days
Product SKU: Fmr6614Rd8
PARAFILM Roll PM-996 4 Inch x 125 FT. (1 Roll), USA
A flexible sealing film comprising a proprietary blend of waxes and polyolefins on a paper release liner
Technical Data
- Properties Values Units Test Method
- Thickness 127 ?m ASTM D645
- Density 0.922 g/cm3 Amcor Internal
- Elongation at Break >350 % ASTM D882
- Water Vapor Transmission Rate 1 g/(m2? d) @ 38 ?C; 90% RH ASTM F1249
- Oxygen Transmission Rate 300 cm3/(m2? d) @ 23 ?C; 0% RH ASTM D3985
- Carbon Dioxide Transmission Rate 1200 cm3/(m2? d) @ 23 ?C; 0% RH ASTM F2476
- Softening Point 54 ?C Amcor Internal
- Melting Point 100 ?C Amcor Internal
- Effects of Common Reagents
- Parafilm? M is resistant to many polar substances for up to 48 hours. After this period, some brittleness may occur. It is not recommended for use with chlorinated or non-polar aliphatic or aromatic solvents.
- Reagent Concentration 24 h exposure at 23 ?C
- Acids
Hydrochloric acid 12 N No apparent effect - Sulfuric acid 36 N No apparent effect
- Nitric acid 16 N Resistant (some discoloration)
- Alkalis
Sodium hydroxide 1.8 N; 22 wt-% NaOH No apparent effect - Ammonium hydroxide 14.5 N; 28 wt-% NH3 No apparent effect
Organics
- Methanol No apparent effect
- Ethanol 95 % (v/v) No apparent effect
Isopropanol 99 % (v/v) No apparent effect
Other
- Saline solution 20 wt-% NaCl No apparent effect
- Potassium permanganate 5 wt-% Resistant (some discoloration)
- Iodine solution 0.1 N (KI+I2) Resistant (some discoloration)
- Parafilm “M” is highly insensitive to water, moisture loss, and moisture absorption, yet is permeable to oxygen and carbon dioxide.
- Parafilm “M” stretches more than 350% of its original length and is self-sealing, allowing it to cling around irregular shapes and surfaces.
- These unique properties make it ideal for protecting the contents of test tubes, flasks, beakers, and Petri dishes as well as an overwrap to further secure stoppers, lids, and caps.
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